Smart Watches for Men Waterproof Bluetooth Smart Watch Heart Rate Smartwatch for iOS Apple Iphone Android Smartphone DM88 (Black) COMPACIBILITY: Support Nucleus & iOS 7 and above & Androld 4.3 and above. Android Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI,MEIZU,Lenovo,Coolpad and so on. iOS Mobile Phone: iPhone 6, iPhone 6 plus, iPhone 5, iPhone 5s/5c , iPhone 4, iPhone 4s; Android Tablet PC: Samsung, Nexus, and so on. FUNCTION: Passometer, Sleep Tracker, Message Reminder, Call Reminder, Answer Call, Dial Call, Remote Control, Push Message,Bluetooth music playing,Anti lost remind Bidirectional search,Remote camera,heart rate monitor.Siri,QQ, Wechat,Twitter,SMS, news notification. Both IOS and Android can not text message; Has no built-in wifi ,no SIM card, it can sync with phone through bluetooth,vibration function is supported. QUALITY CRAFTSMANSHIP :1.22 inch TFT Screen for a clear and impressive display from full angles,240*240px. Finely crafted with stainless steel, genuine Horween leather and scratch-resistant glass.The bands can be changed out with regular watch bands.Professional waterproof. CHARGE MEATHOD :Magnetic Rechargeable Battery - Lithium-ion polymer battery can be charged with the included USB cable,MTK2502 ,280MAH, power saving. It is not compatible with wireless charging like Qi so far. MORED DESIGN: BT3.0+4.0LE, Memory 128MB+64MB. Answer the call ,wake up the watch ,watch faces changed ,turn off the clock by shake your hands. You have 5 style watch faces and 2 style UI to choose.